#define FIO_SERVER_H
#include <inttypes.h>
-#include <endian.h>
+#include <string.h>
+
+#include "stat.h"
+#include "os/os.h"
/*
* On-wire encoding is little endian
uint16_t opcode; /* command opcode */
uint32_t flags; /* modifier flags */
uint64_t serial; /* serial number */
- uint32_t pad;
uint32_t pdu_len; /* length of post-cmd layload */
- uint32_t cmd_crc32; /* cmd checksum */
- uint32_t pdu_crc32; /* payload checksum */
+ /*
+ * These must be immediately before the payload, anything before
+ * these fields are checksummed.
+ */
+ uint16_t cmd_crc16; /* cmd checksum */
+ uint16_t pdu_crc16; /* payload checksum */
uint8_t payload[0]; /* payload */
};
enum {
- FIO_SERVER_VER = 1,
+ FIO_SERVER_VER = 2,
FIO_SERVER_VER1 = 1,
+ FIO_SERVER_VER2 = 2,
- FIO_SERVER_MAX_PDU = 4096,
+ FIO_SERVER_MAX_PDU = 64,
FIO_NET_CMD_QUIT = 1,
- FIO_NET_CMD_JOB = 2,
- FIO_NET_CMD_JOB_END = 3,
- FIO_NET_CMD_ACK = 4,
- FIO_NET_CMD_NAK = 5,
- FIO_NET_CMD_TEXT = 6,
+ FIO_NET_CMD_EXIT = 2,
+ FIO_NET_CMD_JOB = 3,
+ FIO_NET_CMD_JOBLINE = 4,
+ FIO_NET_CMD_TEXT = 5,
+ FIO_NET_CMD_TS = 6,
+ FIO_NET_CMD_GS = 7,
+ FIO_NET_CMD_ETA = 8,
+ FIO_NET_CMD_PROBE = 9,
+ FIO_NET_CMD_START = 10,
+ FIO_NET_CMD_STOP = 11,
+
+ FIO_NET_CMD_F_MORE = 1UL << 0,
+
+ /* crc does not include the crc fields */
+ FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) -
+ 2 * sizeof(uint16_t),
+
+ FIO_NET_CMD_JOBLINE_ARGV = 128,
};
-extern int fio_server(void);
-extern void fio_server_text_output(const char *, unsigned int len);
+struct cmd_ts_pdu {
+ struct thread_stat ts;
+ struct group_run_stats rs;
+};
+
+struct cmd_probe_pdu {
+ uint8_t hostname[64];
+ uint8_t bigendian;
+ uint8_t fio_major;
+ uint8_t fio_minor;
+ uint8_t fio_patch;
+};
-extern int fio_client_connect(const char *);
-extern int fio_client_send_ini(const char *);
+struct cmd_line_pdu {
+ uint16_t argc;
+ uint8_t argv[FIO_NET_CMD_JOBLINE_ARGV][64];
+};
+
+extern int fio_start_server(int);
+extern int fio_server_text_output(const char *, unsigned int len);
+extern int fio_server_log(const char *format, ...);
+extern int fio_net_send_cmd(int, uint16_t, const void *, off_t);
+extern int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t serial);
+
+struct thread_stat;
+struct group_run_stats;
+extern void fio_server_send_ts(struct thread_stat *, struct group_run_stats *);
+extern void fio_server_send_gs(struct group_run_stats *);
+extern void fio_server_send_status(void);
+extern void fio_server_idle_loop(void);
+
+extern int fio_clients_connect(void);
+extern int fio_clients_send_ini(const char *);
extern int fio_handle_clients(void);
+extern void fio_client_add(const char *);
+extern int fio_client_add_cmd_option(const char *, const char *);
extern int fio_recv_data(int sk, void *p, unsigned int len);
extern int fio_send_data(int sk, const void *p, unsigned int len);
extern void fio_net_cmd_crc(struct fio_net_cmd *);
-extern struct fio_net_cmd *fio_net_cmd_read(int sk);
+extern struct fio_net_cmd *fio_net_recv_cmd(int sk);
extern int exit_backend;
extern int fio_net_port;
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-#define le16_to_cpu(x) (x)
-#define le32_to_cpu(x) (x)
-#define le64_to_cpu(x) (x)
-#define cpu_to_le16(x) (x)
-#define cpu_to_le32(x) (x)
-#define cpu_to_le64(x) (x)
-#elif __BYTE_ORDER == __BIG_ENDIAN
-#define le16_to_cpu(x) __bswap_16(x)
-#define le32_to_cpu(x) __bswap_32(x)
-#define le64_to_cpu(x) __bswap_64(x)
-#define cpu_to_le16(x) __bswap_16(x)
-#define cpu_to_le32(x) __bswap_32(x)
-#define cpu_to_le64(x) __bswap_64(x)
-#else
-#error "Endianness not detected"
-#endif
-
-static inline void fio_init_net_cmd(struct fio_net_cmd *cmd)
+static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
+ const void *pdu, uint32_t pdu_len)
{
memset(cmd, 0, sizeof(*cmd));
- cmd->version = cpu_to_le16(FIO_SERVER_VER1);
+
+ cmd->version = __cpu_to_le16(FIO_SERVER_VER2);
+ cmd->opcode = cpu_to_le16(opcode);
+
+ if (pdu) {
+ cmd->pdu_len = cpu_to_le32(pdu_len);
+ memcpy(&cmd->payload, pdu, pdu_len);
+ }
}
#endif